Dwarf Fortress is a single-player, high fantasy simulation game in the style of old ASCII Roguelikes. You can control either a Dwarven clan attempting to build a settlement or a single adventurer in a randomly generated and persistent world complete with its own unique history.

Slaves to Armok II: Dwarf fortress really is the ultimate answer to the question of what game you would bring on to a desert island. Once you can get past the ASCII graphics (although there are many fan-made graphics packs out there) you will find an incredibly deep game. Before you can play the game generates a world, complete with geography, civilizations, history, politics, mythology. You can then explore this world in Adventure mode which is quite the typical roguelike style rpg game. You...